document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=988261>Question 988261</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, <BR>\n" );
document.write( "I need some help with this function...\r<BR>\n" );
document.write( "\n" );
document.write( "f(a+3)=2x^2+2x-3\r<BR>\n" );
document.write( "\n" );
document.write( "I know how to find this much of the answer 2a^2+?+21. I am not sure how to find the middle number. Please show your work so I can figure out how to do it!\r<BR>\n" );
document.write( "\n" );
document.write( "Thank you!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #608828 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=608828\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> substitute (a+3) for x everywhere , then simply<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28a%2B3%29=+2%2A%28a%2B3%29%5E2++%2B+2%2A%28a%2B3%29+-3+ ALIGN=MIDDLE  ALT=\"f%28a%2B3%29=+2%2A%28a%2B3%29%5E2++%2B+2%2A%28a%2B3%29+-3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28a%2B3%29=+2%2A%28a%5E2+%2B6a+%2B9%29++%2B+2a%2B6+-3+ ALIGN=MIDDLE  ALT=\"f%28a%2B3%29=+2%2A%28a%5E2+%2B6a+%2B9%29++%2B+2a%2B6+-3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28a%2B3%29=+2a%5E2+%2B12a+%2B18++%2B+2a%2B6+-3+ ALIGN=MIDDLE  ALT=\"f%28a%2B3%29=+2a%5E2+%2B12a+%2B18++%2B+2a%2B6+-3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28a%2B3%29=+2a%5E2+%2B14a+%2B21 ALIGN=MIDDLE  ALT=\"f%28a%2B3%29=+2a%5E2+%2B14a+%2B21\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );